Hi @Anonymous ,
You can try this (I cannot test it)
With(
{
wGroup:
Ungroup(
YourColleciton,
"Opex"
)
},
With(
{
wGroup2:
Ungroup(
wGroup,
"ProjectNo"
)
},
Ungroup(
wGroup2,
"TotalHours"
)
)
)
but the best approach would be simply putting the collection in a gallery, then nesting three galleries inside that, one for each field
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